CN104224316A - Electrosurgical electrode - Google Patents
Electrosurgical electrode Download PDFInfo
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- CN104224316A CN104224316A CN201410355495.XA CN201410355495A CN104224316A CN 104224316 A CN104224316 A CN 104224316A CN 201410355495 A CN201410355495 A CN 201410355495A CN 104224316 A CN104224316 A CN 104224316A
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- 230000008859 change Effects 0.000 claims abstract description 3
- 230000015271 coagulation Effects 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 239000012777 electrically insulating material Substances 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 description 9
- 230000008016 vaporization Effects 0.000 description 9
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 230000008520 organization Effects 0.000 description 6
- 230000001112 coagulating effect Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 4
- 241000463219 Epitheca Species 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/149—Probes or electrodes therefor bow shaped or with rotatable body at cantilever end, e.g. for resectoscopes, or coagulating rollers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00505—Urinary tract
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1417—Ball
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an electrosurgical electrode. An electrode for vaporising tissue comprises a head (26) supported by at least one externally insulated electrically conducting stem (27). The head (26) is typically a button electrode and is provided with a conductive portion (41) in which the surface of the button electrode is electrically conductive, and an insulated portion (37) in which the surface of the button electrode is non-conductive. The head is typically mounted on the stem (27) such that it is capable of rotating about the stem such that it can change its rotational orientation depending on the direction of movement of the electrode. Typically, the head (26) is asymmetrical such that it has a greater width in one direction as compared with another direction, such as having an oval cross-section. The head (26) is rotatable about the stem (27) such that, whichever the direction of movement of the electrode, the electrode orients itself such that it presents the greater width parallel to the direction of movement of the electrode.
Description
Technical field
The present invention relates to a kind of electrosurgical electrode, relating to the electrode in the system of the endoscope's urological surgery for using resectoscope (resectoscope) and operation element particularly.
Background technology
Electrosurgical system for endoscope's urological surgery is known in the prior art, United States Patent (USP) 5,007,907 and 6, and 322, provide example in 494.These systems comprise by the configurable Electrosurgical instrument of resectoscope and the electrosurgery electromotor of powering for instrument.United States Patent (USP) 7,211, describes a kind of electromotor being suitable for Urology Surgery instrument and powering in 081.Be ambipolar for the instrument in electrosurgery urological surgery or for unipolar, for in ambipolar situation, there are two electrodes at the end of instrument, in unipolar situation, there is an electrode in instrument, and provide the second electrode with the form of patient's Returning plate.
Use dissimilar electrode according to the expectation function of electrode before.Annular electrode is (see US 4 exemplarily, 917,082) normally good to cutting tissue, and rolling electrode is (see US 5 exemplarily, 549,605) or sliding electrode (US 5,766,168 see exemplarily) for the vaporization organized and/or condensation.
Summary of the invention
Embodiments of the present invention provide the Different electrodes that effectively can carry out cutting tissue and vaporization/condensation.Particularly, embodiments of the present invention provide the button electrode with tissue treatment surface, described button electrode has the tissue treatment surface being at least divided into Part I and Part II, described Part I be conduction to provide current-carrying part, and described Part II be electric insulation to provide insulated part.In some embodiments, described button electrode is divided into described Part I and described Part II along the string of a musical instrument, and described Part I forms one section of described button electrode, and described Part II forms another section of described button electrode.Described button electrode is rotatably installed on handle, described handle provide in use with the connection in the source of radio frequency (RF) electrosurgery signal, described button electrode is further arranged, make when using and with contact tissue, the movement of described button electrode on any moving direction causes described button electrode to rotate, to be rendered as described current-carrying part towards described moving direction, and described insulated part is followed after described current-carrying part.There is such setting, the button electrode of conduction can be set to condensation or the vaporization that can control tissue on demand, and decrease conductive surface areas, this is because insulated part in turn reduces by the electric current of electrode and because this reducing the undesirable post bake because electric current causes.
Therefore, provide a kind of electrode for vaporising tissue on the one hand, described electrode comprises: the wire of prolongation, and described wire defines the axle with proximal direction and distal direction; With described axle at angle from the handle that described wire suspends in midair; And the head to be supported by described handle, described head is the form of button electrode and the surface being provided with described button electrode is the current-carrying part of conduction and the surface of described button electrode is nonconducting insulated part, described electrode is arranged like this: when described electrode moves up with contact tissue in described far end party, described insulated part is all at the near-end of described current-carrying part.
Therefore, when described electrode moves with contact tissue on described proximal direction, current-carrying part is towards distal direction and insulated part follows current-carrying part, towards proximal direction.
By the part by electrically insulating material applicator head, or form a part for button electrode with electrically insulating material, nonconducting part is set.In this way, the current-carrying part of button electrode still can desirably be vaporized or coagulating tissue, and insulated part reduces the electric current carrying out self-electrode.Reduce electric current in this way, avoid electrode overheating or when heavy court is performed the operation any saline around electrode.
In arranging easily at one, the shape of button electrode is hemispherical.Alternatively, button electrode is asymmetric, makes described button electrode have larger width in one direction compared with other direction.Can expect, button electrode has oval-shaped profile in plan view.Handle is formed by conductive material easily, makes it can be used as RF energy to send to the wire of button electrode.Can expect, handle is provided with the covering of electrically insulating material.
Typically, described button electrode is arranged on described handle, and described button electrode can be rotated about handle, thus described button electrode can change the spin orientation of described button electrode according to the moving direction of described electrode.Typically, described electrode is arranged like this: when described electrode moves with contact tissue on described proximal direction, described electrode rotary, makes described insulated part all at the far-end of described current-carrying part.Therefore, when electrode moves in the proximal direction with contact tissue, current-carrying part is towards proximal direction and insulated part follows current-carrying part, towards distal direction.In this way, the not moving direction of pipe electrode, whichever orientation is the most effective to the treatment of tissue, and button electrode can always exist.Expediently, described button electrode is rotatable about described handle, makes the moving direction of no matter described electrode, described electrode self orientation in use, thus the moving direction of itself and described electrode laterally present described in larger width.In this way, no matter electrode along which route moves, and button electrode incites somebody to action self orientation in use, thus larger width (being main shaft in oval-shaped electrode situation) is rendered as with electrode shifting axle horizontal.Cross when electrode or through when organizing, this provide larger tissue treatment area.
Button electrode rotation is in use caused by pulling of electrode relative organization typically, and this causes electrode self orientation again.Thinkable, button electrode can be enough to cause through the movement of conductor fluid of such as saline and enough pulls to redirect electrode, thus it was even aligned before contact tissue.Maybe advantageously, button electrode arranges the resistance element (such as blade or oar) of some shapes, redirects with auxiliary this.
Expediently, described button electrode is arranged on described handle prejudicially, makes described handle depart from the center of described button electrode.Typically, button electrode has main shaft and countershaft, and described handle a bit intersecting with described button electrode on described countershaft between described electrode side and the described main shaft intermediate point crossing with described countershaft.In this way, button electrode rotates in use, main shaft is rendered as with moving direction horizontal, to produce the section (profile) of the maximum possible for the treatment organized.
Expediently, button electrode can rotate about handle, makes the moving direction of no matter described electrode, described electrode self orientation in use, thus described insulated part is longitudinally aimed at relative to the moving direction of described electrode.By this method, electrode trends towards self-aligned, and insulated part is positioned at after the remainder of the conduction of button electrode.Along with electrode moves, the part of electrode and contact tissue is the current-carrying part of button electrode, after follow insulated part.Therefore, the current-carrying part of button electrode still can desirably be vaporized or coagulating tissue, and insulated part reduces the electric current carrying out self-electrode.Reduce electric current in this way, avoid electrode overheating or when heavy court is performed the operation any saline around electrode.
According to another convenient setting, button electrode is provided with other coagulation electrode, and this other coagulation electrode is separated by the remainder of insulated part with button electrode.There is provided the electromotor of electric current to be switched to electrode, make when using electrode vaporization to organize, the current-carrying part of button electrode is connected with electromotor.On the contrary, when using electrode coagulating tissue, the other coagulation electrode of button electrode is connected with electromotor.In another is arranged, electric current flows to refurn electrode from button electrode, near described refurn electrode is positioned at as unipolarity refurn electrode or the remote patient plate in arranging as unipolarity.Preferably, electrode is self orientation in use, makes to establish the period of the day from 11 p.m. to 1 a.m when coagulation electrode relative to the moving direction of electrode, and coagulation electrode is positioned at after button electrode.This is no matter electrode along which route moves, because pulling of relative organization enemy causes button electrode all automatically self-situation about redirecting.
According to a further aspect in the invention, provide the operation element for excising Electrosurgical instrument, described operation element comprises: handle; Extend from described handle and limit the extending shaft with the axle of proximal direction and distal direction; Being contained in described extending shaft and comprising the electrode of the wire of prolongation, described wire has at its far-end and described axle at angle from the handle that described wire suspends in midair; And the head to be supported by described handle, described head is the form of button and the surface being provided with described button electrode is the current-carrying part of conduction and the surface of described button electrode is nonconducting insulated part, and described electrode is arranged like this: described insulated part is completely at the near-end of described current-carrying part.
From another aspect of the present invention, further provide the button electrode for Electrosurgical instrument, described button electrode has the tissue treatment surface being at least divided into Part I and Part II, described Part I be conduction to provide current-carrying part, and described Part II be electric insulation to provide insulated part, described button electrode is rotatably installed on handle, described handle provide in use with the connection in the source of radio frequency (RF) electrosurgery signal, described button electrode is further arranged, make when using and with contact tissue, the movement of described button electrode on any moving direction causes described button electrode to rotate, so that described current-carrying part is rendered as towards described moving direction, and described insulated part is all followed after described current-carrying part.
In one embodiment, described button electrode is divided into described Part I and described Part II along at least one string of a musical instrument, and described Part I forms one section of described button electrode, and described Part II forms another section of described button electrode.
In one embodiment, the shape of described electrode is essentially oval, and described insulated part is all positioned at the side of the main shaft of the electrode being essentially oval.Ellipse can help electrode self orientation especially, so that current-carrying part is presented to moving direction.In order to contribute to the operation of this self orientation, button electrode can be rotatably installed on handle prejudicially.
In yet, described tissue treatment surface is broken into further Part III, described Part III be conduction and separated by described Part II and described Part I, this set makes in use, and described Part III is all followed in the direction of movement after described Part II.In some embodiments, Part III can be used for providing coagulating RF signal waveform, or be alternatively used as unipolarity arrange in refurn electrode or the part of refurn electrode.
Accompanying drawing explanation
Embodiments of the present invention are further described by means of only the mode of illustrating referring now to accompanying drawing, wherein:
Fig. 1 is the perspective view of the Electrosurgical system used together with electrode according to embodiment of the present invention,
Fig. 2 is the exploded view of the excision instrument of a part as the Electrosurgical system shown in Fig. 1,
Fig. 3 is the side view of the electrode according to embodiment of the present invention,
Fig. 4 is the enlarged drawing of a part for the electrode of Fig. 3,
Fig. 5 is the plane graph of the electrode of Fig. 3,
Fig. 6 is the enlarged drawing of the electrode in the opposite direction movement of Fig. 4, and
Fig. 7 is the side view of the alternative embodiments of electrode according to embodiment of the present invention.
Detailed description of the invention
With reference to Fig. 1, electromotor 1 has provides the radio frequency accessory power outlet that (RF) exports 2 by connection cord 4 to instrument 3.The activation of electromotor performs from instrument 3 by the connection in cable 4, or the pedal unit 5 (as shown in the figure) at the rear portion being connected to electromotor through foot switch connection cord 6 performs.In the illustrated embodiment, pedal unit 5 has two pedals 7 and 8 for the coagulation mode and cutting/vaporisation mode selecting electromotor respectively.Electromotor front panel has for being set in the condensation of instruction and the button 9 and 10 of cutting/vaporization power stage in display 11 respectively.Button 12 is arranged in use in the device selected between alternative condensation and cutting/vaporization waveform.
As shown in Figure 2, the resectoscope 13 by comprising interior sheath 14, epitheca 15 and lens pillar telescope/light source assembly 16 carrys out configure instrument 3.Instrument 3 is usually indicated by labelling W and comprise a part for the operation element of electrode assemblie 17.
Sheath 14 and 15 provides liquid medium via adapter 18 to the supply of operative site and suction.Epitheca 15 locks on interior sheath 14, forms watertight sealing.Typically, the diameter of interior sheath 14 is 24Fr (8mm), and the diameter of epitheca 15 is 27Fr (9mm).Telescope assembly 16 provides illumination by the light source (not shown) connected by adapter 19 and observes the device of operative site.Telescopical visual angle is generally 30 ° apart from its axle.
It is passive or initiatively that operation element W can be, and that is, the cutting stroke of electrode may be caused by the power of spring-biased or opposing spring-biased.Telescope assembly 16 be included in its near-end have telescope adapter 21 telescope stay pipe 20 and part along stay pipe 20 arrange sealing block 22, interior sheath 14 is connected with sealing block.These interfaces are all watertight.Electrode supporting pipe 23 is attached to the downside of telescope stay pipe 20 on the far-end side of sealing block 22 in its most of length.Link 24 and the collets 25 of two load on spring between sealing block 22 and telescope adapter 21 form this mechanism.Driving mechanism is set up, and makes the link 24 of load on spring assist forward stroke (forward stroke), and in passive version, the auxiliary backward travel (backward stroke) of link.Usually, the about 25mm of the scope of advancing.
In more detail the relevant portion (particularly, electrode assemblie 17) relevant with embodiments of the present invention will be described now.Electrode assemblie 17 is connected with electromotor 1 by the cable 4 connected via socket 28.With reference to Fig. 3, electrode assemblie 17 comprises the electrode tip 26 be made up of suitable high temperature resistant metal.Electrode tip 26 is arranged on the handle 27 that is connected with the prolongation feed conductor 50 of the plastic housing 29 being coated with insulation.Feed conductor 50 occurs from the protecting tube 33 inserting the electrode supporting pipe 23 shown in Fig. 2.Electrode tip 26 adopts has the strong mushroom shaped protruding function surface 30.Its upper surface 31 is plane, and is covered by ceramic layer 32, and wherein ceramic layer 32 is passed by the feed conductor of handle 27 inside through boring (not shown).The same with aforementioned, 26 have the upper surface 31 of plane and cover the dielectric ceramic layer 32 of upper surface 31.26 also have insulated part 37, and in insulated part 37, ferrule is covered by insulating cover 38.
Fig. 4 and Fig. 5 illustrates the alternative embodiments of electrode assemblie 17, and wherein 26 have when overlooking from top in oval structure.Oval head 26 has main shaft 34 and countershaft 35.Electrode tip 26 is arranged on handle 27, makes it to rotate around handle and to adopt the orientation of any angle.26 are rotatably installed on handle 27 at point 36 place, and point 36 is positioned at the side of intermediate point crossing with main shaft 34 on countershaft.
26 are rotatably installed on handle 27, make when on the direction of arrow 40, relative organization 39 moves electrode assemblie 17, and 26 rotate about handle 27, thus main shaft 34 relative movement direction is laterally.In addition, 26 rotation, make insulated part 37 near handle 27, and all the other non-insulated parts of head forms the active electrode 41 of insulated part 27 far-ends.Active electrode 41 can make tissue 39 vaporize or condense, and insulated part 37 (it does not participate in vaporization or the condensation of tissue) reduces the amount of electric current from 26.The reduction that this electric current exports help avoid 26 or any conductor fluid (not shown) around electrode assemblie 17 overheated.
Alternatively, as shown in Figure 6, if electrode assemblie 17 in the opposite direction (i.e. the direction of arrow 40 ') relative organization 39 moves, then 26 rotate about handle 27, make insulated part 37 be positioned at the far-end of handle 27, all the other non-insulated parts of head form the active electrode 41 of the near-end of insulated part 37.Therefore, no matter electrode assemblie moves on distal direction or proximal direction, and head rotates all the time, thus insulated part 37 is relative to the rear portion of moving direction at active electrode 41.
Active electrode 41 can return dish (not shown) in conjunction with remote patient and be used as monopolar electrode, or is alternatively present on handle 27 or pipe 33 in conjunction with refurn electrode (not shown) in bipolar structure.Fig. 7 illustrates alternative structure, and wherein active electrode 41, insulated part 37 and other coagulation electrode 42 are all present on 26.When needs vaporising tissue, electromotor 1 provides RF energy for active electrode 41.On the contrary, when needs coagulating tissue, electromotor 1 provides RF energy for coagulation electrode 42.By this method, use at each occurrence for vaporizing or independent electrode best condensation.
As previously mentioned, 26 are rotatably installed on handle 27, and mounting points 36 departs from the intermediate point crossing with main shaft equally as previously mentioned.By this method, when on the direction of arrow 40, relative organization 39 moves electrode assemblie 17,26 rotate about handle 27, make active electrode 41 be positioned at the far-end of coagulation electrode 42.On the contrary, when relative organization 39 moves electrode assemblie in the opposite direction, 26 rotate about handle 27, make active electrode 41 be positioned at the near-end of coagulation electrode 42.Therefore, for organizing active electrode 41 to exist all the time, to perform tissue vaporization when needed.
The alternate embodiments of above-mentioned embodiment is apparent to those skilled in the art without departing from the present invention.Can use difform head and electrode structure, common inventive features is that electrode tip is rotatably installed by SI semi-insulation, makes it oneself can to redirect to present the most effective structure or profile to tissue.
Claims (20)
1. for an electrode for vaporising tissue, described electrode comprises: the wire of prolongation, and described wire defines the axle with proximal direction and distal direction; With described axle at angle from the handle that described wire suspends in midair; And the head to be supported by described handle, described head is the form of button and the surface being provided with described button electrode is the current-carrying part of conduction and the surface of described button electrode is nonconducting insulated part, described electrode is arranged like this: when described electrode moves up with contact tissue in described far end party, described insulated part is all at the near-end of described current-carrying part.
2. electrode according to claim 1, wherein, the shape of described button electrode is hemispherical.
3. electrode according to claim 1, wherein, described button electrode is asymmetric, makes described button electrode have larger width in one direction compared with other direction.
4. electrode according to claim 3, wherein, described button electrode has oval-shaped profile in plan view.
5. the electrode according to aforementioned any one of claim, wherein, described button electrode is arranged on described handle, and described button electrode can be rotated about described handle, thus described button electrode can change the spin orientation of described button electrode according to the moving direction of described electrode.
6. electrode according to claim 5, wherein, described electrode is arranged like this: when described electrode moves with contact tissue on described proximal direction, described electrode rotary, makes described insulated part all at the far-end of described current-carrying part.
7. electrode according to claim 5, wherein when claim 5 quotes claim 3 or 4, described button electrode can rotate about described handle, make the moving direction of no matter described electrode, described electrode self orientation, thus the moving direction of described electrode and described electrode laterally present described in larger width.
8. electrode according to claim 7, wherein, described button electrode is arranged on described handle prejudicially, makes described handle depart from the center of described button electrode.
9. electrode according to claim 8, wherein, described button electrode has main shaft and countershaft, and the point of described handle on described countershaft between described electrode side and the described main shaft intermediate point crossing with described countershaft and described button electrode intersect.
10. the electrode according to aforementioned any one of claim, wherein, described button electrode can rotate about described handle, makes the moving direction of no matter described electrode, described electrode self orientation, thus described insulated part is longitudinally aimed at relative to the moving direction of described electrode.
11. electrodes according to aforementioned any one of claim, wherein, described button electrode is provided with other coagulation electrode, and described coagulation electrode is separated with the remainder of described button electrode by described insulated part.
12. electrodes according to claim 11, wherein, described electrode self orientation, make when described coagulation electrode is arranged relative to the moving direction of described electrode, described coagulation electrode is positioned at after described button electrode.
13. electrodes according to aforementioned any one of claim, wherein, described handle is formed by conductive material.
14. electrodes according to claim 13, wherein, described handle is provided with the covering of electrically insulating material.
15. 1 kinds for excising the operation element of Electrosurgical instrument, described operation element comprises: handle; Extend from described handle and limit the extending shaft with the axle of proximal direction and distal direction; Being contained in described extending shaft and comprising the electrode of the wire of prolongation, described wire has at its far-end and described axle at angle from the handle that described wire suspends in midair; And the head to be supported by described handle, described head is the form of button and the surface being provided with described button electrode is the current-carrying part of conduction and the surface of described button electrode is nonconducting insulated part, and described electrode is arranged like this: described insulated part is completely at the near-end of described current-carrying part.
16. 1 kinds of button electrode for Electrosurgical instrument, described button electrode has the organized processing surface being at least divided into Part I and Part II, described Part I be conduction to provide current-carrying part, and described Part II be electric insulation to provide insulated part, described button electrode is rotatably installed on handle, described handle provide in use with the connection in the source of radio frequency electrosurgery signal, described button electrode is further arranged, make when using and with contact tissue, the movement of described button electrode on any moving direction causes described button electrode to rotate, so that described current-carrying part is rendered as towards described moving direction, and described insulated part is followed after described current-carrying part.
17. button electrode according to claim 16, wherein, described button electrode is divided into described Part I and described Part II along the string of a musical instrument, and described Part I forms one section of described button electrode, and described Part II forms another section of described button electrode.
18. button electrode according to claim 16 or 17, wherein, the shape of described electrode is essentially oval, and described insulated part is positioned at the side of the described main shaft of the electrode being essentially oval.
19. button electrode according to any one of claim 16 to 18, wherein, are arranged on described handle described button electrode eccentric rotary.
20. button electrode according to any one of claim 16 to 19, wherein, described organized processing surface is broken into further Part III, described Part III be conduction and separated by described Part II and described Part I, this set makes in use, and described Part III is followed after described Part II on described moving direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1311194.3A GB201311194D0 (en) | 2013-06-24 | 2013-06-24 | Electrosurgical electrode |
| GB1311194.3 | 2013-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104224316A true CN104224316A (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410355495.XA Pending CN104224316A (en) | 2013-06-24 | 2014-06-23 | Electrosurgical electrode |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140378965A1 (en) |
| JP (1) | JP6329441B2 (en) |
| CN (1) | CN104224316A (en) |
| AU (1) | AU2014203259A1 (en) |
| DE (1) | DE102014212102A1 (en) |
| GB (2) | GB201311194D0 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015016060A1 (en) * | 2015-12-11 | 2017-06-14 | Olympus Winter & Ibe Gmbh | SURGICAL VAPORIZATION ELECTRODE |
| DE102016204047A1 (en) | 2016-03-11 | 2017-09-14 | Olympus Winter & Ibe Gmbh | Resectoscope and electrode assembly for it |
| US11246644B2 (en) | 2018-04-05 | 2022-02-15 | Covidien Lp | Surface ablation using bipolar RF electrode |
| DE102019121674A1 (en) * | 2019-08-12 | 2021-02-18 | Olympus Winter & Ibe Gmbh | Short-circuit protected electrode instrument and resectoscope |
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- 2014-06-06 GB GB1410124.0A patent/GB2518258B/en not_active Expired - Fee Related
- 2014-06-16 AU AU2014203259A patent/AU2014203259A1/en not_active Abandoned
- 2014-06-18 US US14/308,367 patent/US20140378965A1/en not_active Abandoned
- 2014-06-19 JP JP2014126386A patent/JP6329441B2/en not_active Expired - Fee Related
- 2014-06-23 CN CN201410355495.XA patent/CN104224316A/en active Pending
- 2014-06-24 DE DE102014212102.7A patent/DE102014212102A1/en not_active Withdrawn
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| US20030130653A1 (en) * | 1997-09-30 | 2003-07-10 | Scimed Life Systems, Inc. | Electrosurgical tissue removal with a selectively insulated electrode |
| US6080152A (en) * | 1998-06-05 | 2000-06-27 | Medical Scientific, Inc. | Electrosurgical instrument |
| US20110230879A1 (en) * | 2003-01-31 | 2011-09-22 | Smith & Nephew, Inc. | Cartilage treatment probe |
| CN101433470A (en) * | 2007-11-13 | 2009-05-20 | 奥林匹斯冬季和Ibe有限公司 | Surgical vaporization electrode with an electrode head |
| US20120059219A1 (en) * | 2009-06-30 | 2012-03-08 | Gyrus Acmi, Inc. | Bipolar resection device having simplified rotational control and better visualization |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014212102A1 (en) | 2014-12-24 |
| GB201311194D0 (en) | 2013-08-14 |
| GB201410124D0 (en) | 2014-07-23 |
| GB2518258B (en) | 2016-01-06 |
| AU2014203259A1 (en) | 2015-01-22 |
| GB2518258A (en) | 2015-03-18 |
| JP6329441B2 (en) | 2018-05-23 |
| US20140378965A1 (en) | 2014-12-25 |
| JP2015006341A (en) | 2015-01-15 |
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